Fight mold growth: Pure Guardian GGHS15 Aquastick humidifier water cartridge helps reduce the growth of mold and odor causing bacteria in the water of a humidifier tank and can be used in both evaporative ultrasonic humidifiers
Only one stick needed: One Aquastick can be used in humidifiers with a tank that is up to one gallon in size. For humidifiers with a capacity of one to two gallons, use two Aquasticks
For best results: PureGuardian recommends to clean your humidifier tank according to the manufacturer’s instructions before using the AquaStick and to use clean, fresh water. Replace every 90 days